Yes,I found success (win) in gambling many times but most of the times I lost,just understand the many and most so totally we are going to lose our money more than winning here,so if your intention is to make money then invest on something with less risk.
No i have not...what ever i thought that will be a winning strategy i always ended up on being loss after all....i dont think any one doing gambling has found a way for that...gambling can never be considered a way of earning money